4273 search results - page 221 / 855 » Improving proactive information systems |
149
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Document retrieval systems conventionally use words as the basic unit of representation, a natural choice since words are primary carriers of semantic information. In this paper w...
210
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ECIR
2009
Springer
16 years 3 months ago
2009
Springer
Abstract. This paper concerns document ranking in information retrieval. In information retrieval systems, the widely accepted probability ranking principle (PRP) suggests that, fo...
177
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ANLP
1997
15 years 8 months ago
1997
In this paper we report on our natural language information retrieval (NLIR) project as related to the recently concluded 5th Text Retrieval Conference (TREC-5). The main thrust o...
182
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IR
2006
15 years 6 months ago
2006
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
146
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JCNS
2007
15 years 6 months ago
2007
Neurons in vivo must process sensory information in the presence of significant noise. It is thus plausible to assume that neural systems have developed mechanisms to reduce this n...